Abstract
The mean size of the latex particles formed in emulsion polymerization of methyl methacrylate under definite conditions (water: monomer volume ratio 15: 1, 80°C, potassium persulfate concentration 0.07 wt %) decreases from 200 to 9–10 nm as the concentration of an ionic surfactant (anionic Disponil AES 60, SDS, cationic C19H42BrN) is increased from 0.0 to 1.0 wt %. The nonionic surfactants studied influence the size of the latex particles formed differently: with ALM-10, the particle size decreases from 200 to 150–190 nm, whereas with ALM-7 and ALM-2 it increases from 200 to 320 nm as the surfactant concentration is increased from 0.0 to 1.0 wt %. An increase in the concentration of F127 amphiphilic ternary block copolymer from 0.0 to 1.0 wt % leads to a monotonic decrease in the size of the poly(methyl methacrylate) latex particles formed from 200 to 53 nm.
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Original Russian Text © B.B. Troitskii, A.A. Lokteva, V.N. Denisova, M.A. Novikova, A.N. Konev, I.L. Fedyushkin, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 7, pp. 942−946.
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Troitskii, B.B., Lokteva, A.A., Denisova, V.N. et al. Determination of the latex particle size in emulsion polymerization of methyl methacrylate with low emulsifier concentrations. Russ J Appl Chem 89, 1132–1136 (2016). https://doi.org/10.1134/S1070427216070132
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DOI: https://doi.org/10.1134/S1070427216070132